Block details.
Epoch: 16 Number of transactions in block: 2 slot_no: 345792 epoch_slot_no: 192 block_no: 345745 slot_leader_id: 12 size: 1378 time: 2017-12-12 22:48:51 proto_major: 0 proto_minor: 1 hash: \xa272c3aca11519dd5988f85ccb544ccfe04583fe6514fd098445e6c0de8f062eBlock Operator
vrf_key: op_cert: op_cert_counter: